Rack for test tubes



FIG. 1 is a perspective view of a rack for test tubes showing my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is an enlarged top view of the claimed portion of the rack fortest tubes taken from area 8 circumscribed within FIG. 2;

FIG. 9 is a left side elevational view of FIG. 8;

FIG. 10 is a right side elevational view of FIG. 8;

FIG. 11 is a front elevational view of FIG. 8;

FIG. 12 is a rear elevational view of FIG. 8;

FIG. 13 is a front, left perspective view of FIG. 8;

FIG. 14 is a rear, left perspective view of FIG. 8; and,

FIG. 15 is bottom plan view of FIG. 8.

The broken lines are included for the purpose of illustrating portionsof the rack for test tubes that form no part of the claimed design.

CLAIM The ornamental design for a rack for test tubes, as shown anddescribed.